<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div {
				width: 200px;
				height: 200px;
				background-color: pink;
				position: absolute;
				top: 0;
				left: 0;
			}
			div:first-child {
				z-index: 1;
			}
			div:nth-child(2) {
				background-color: purple;
				left: 20px;
				top: 30px;
				z-index: 2;
			}
			div:nth-child(3) {
				background-color: skyblue;
				left: 40px;
				top: 60px;
				z-index: 3;
			}
		</style>
	</head>
	<body>
		<div></div>
		<div></div>
		<div></div>
	</body>
</html>
